Home / 192,709.94-265,875.13-112,120.21

Finding the Fourth Proportional to 192,709.94, 265,875.13 and 112,120.21

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Solution

The fourth proportional to 192,709.94, 265,875.13 and 112,120.21 is: 154,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,709.94 : 265,875.13 = 112,120.21 : x
  2. Step 2: Convert to fraction form
    192,709.94/265,875.13 = 112,120.21/x
  3. Step 3: Cross multiply
    192,709.94x = 265,875.13 × 112,120.21
  4. Step 4: Simplify right side
    192,709.94x = 29,809,974,464.39
  5. Step 5: Solve for x
    x = 29,809,974,464.39/192,709.94
  6. Step 6: Final answer
    x = 154,688.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.